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| Table 147. | Percent of high school seniors reporting drug use, by type of drug and frequency of use: Selected years, 1975 to 2004 |
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| Class | Class | Class | Class | Class | Class | Class | Class | Class | Class | Class | Class | Class | Class | Class | Class | Class | Class | Class
Type of drug | of | of | of | of | of | of | of | of | of | of | of | of | of | of | of | of | of | of | of
| 1975 | 1980 | 1985 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004
__________________________|__________|__________|__________|__________|__________|___________|___________|__________|__________|__________|___________|__________|__________|__________|__________|___________|___________|__________|__________
1 | 2 | 3 | 4 | 5| 6| 7| 8| 9| 10| 11| 12| 13| 14| 15| 16| 17| 18| 19| 20
__________________________|__________|__________|__________|__________|__________|___________|___________|__________|__________|__________|___________|__________|__________|__________|__________|___________|___________|__________|__________
| Percent reporting having ever used drugs
|_____________________________________________________________________________________________________________________________________________________________________________________________________________________
Alcohol\1\ ...............|90.4(0.69)|93.2(0.46)|92.2(0.48)|90.7(0.51)|89.5(0.57)|88.0 (0.61)|87.5 (0.60)|80.0(0.71)|80.4(0.73)|80.7(0.73)|79.2 (0.77)|81.7(0.71)|81.4(0.72)|80.0(0.78)|80.3(0.80)|79.7 (0.81)|78.4 (0.83)|76.6(0.80)|76.8(0.80)
Any illicit drug .........|55.2(1.68)|65.4(1.23)|60.6(1.26)|50.9(1.27)|47.9(1.33)|44.1 (1.33)|40.7 (1.28)|42.9(1.27)|45.6(1.31)|48.4(1.32)|50.8 (1.37)|54.3(1.31)|54.1(1.32)|54.7(1.40)|54.0(1.44)|53.9 (1.44)|53.0 (1.44)|51.1(1.35)|51.1(1.35)
Marijuana only .........|19.0(1.32)|26.7(1.15)|20.9(1.05)|19.5(1.00)|18.5(1.03)|17.2 (1.01)|15.6 (0.94)|16.2(0.94)|18.0(1.01)|20.3(1.06)|22.3 (1.14)|24.3(1.13)|24.7(1.14)|25.3(1.22)|25.0(1.25)|23.2 (1.22)|23.5 (1.22)|23.4(1.15)|22.4(1.13)
Any illicit drug other | | | | | | | | | | | | | | | | | | |
than marijuana\2\ ...|36.2(1.33)|38.7(1.04)|39.7(1.04)|31.4(0.96)|29.4(0.99)|26.9 (0.97)|25.1 (0.93)|26.7(0.93)|27.6(0.97)|28.1(0.97)|28.5 (1.01)|30.0(0.99)|29.4(0.99)|29.4(1.05)|29.0(1.08)|30.7 (1.09)|29.5 (1.08)|27.7(0.99)|28.7(1.00)
| | | | | | | | | | | | | | | | | | |
Use of selected drugs | | | | | | | | | | | | | | | | | | |
Cocaine ................| 9.0(0.73)|15.7(0.72)|17.3(0.74)|10.3(0.59)| 9.4(0.59)| 7.8 (0.55)| 6.1 (0.47)| 6.1(0.47)| 5.9(0.47)| 6.0(0.48)| 7.1 (0.53)| 8.7(0.57)| 9.3(0.59)| 9.8(0.63)| 8.6(0.62)| 8.2 (0.60)| 7.8 (0.59)| 7.7(0.55)| 8.1(0.56)
Heroin .................| 2.2(0.21)| 1.1(0.12)| 1.2(0.12)| 1.3(0.12)| 1.3(0.13)| 0.9 (0.11)| 1.2 (0.12)| 1.1(0.12)| 1.2(0.12)| 1.6(0.14)| 1.8 (0.16)| 2.1(0.16)| 2.0(0.16)| 2.0(0.17)| 2.4(0.19)| 1.8 (0.17)| 1.7 (0.16)| 1.5(0.14)| 1.5(0.14)
LSD ....................|11.3(0.81)| 9.3(0.57)| 7.5(0.52)| 8.3(0.53)| 8.7(0.57)| 8.8 (0.58)| 8.6 (0.56)|10.3(0.59)|10.5(0.62)|11.7(0.64)|12.6 (0.69)|13.6(0.69)|12.6(0.67)|12.2(0.70)|11.1(0.69)|10.9 (0.69)| 8.4 (0.61)| 5.9(0.49)| 4.6(0.43)
Marijuana/hashish ......|47.3(1.68)|60.3(1.27)|54.2(1.29)|43.7(1.26)|40.7(1.30)|36.7 (1.29)|32.6 (1.22)|35.3(1.22)|38.2(1.28)|41.7(1.30)|44.9 (1.36)|49.6(1.32)|49.1(1.33)|49.7(1.40)|48.8(1.45)|49.0 (1.45)|47.8 (1.44)|46.1(1.35)|45.7(1.35)
PCP ....................|--- (†) | 9.6(0.33)| 4.9(0.24)| 3.9(0.21)| 2.8(0.19)| 2.9 (0.19)| 2.4 (0.17)| 2.9(0.19)| 2.8(0.19)| 2.7(0.18)| 4.0 (0.23)| 3.9(0.22)| 3.9(0.22)| 3.4(0.22)| 3.4(0.23)| 3.5 (0.23)| 3.1 (0.22)| 2.5(0.18)| 1.6(0.15)
|__________|__________|__________|__________|__________|___________|___________|__________|__________|__________|___________|__________|__________|__________|__________|___________|___________|__________|__________
| Percent reporting use of drugs in the past 12 months
|_____________________________________________________________________________________________________________________________________________________________________________________________________________________
Alcohol\1\ ...............|84.8(0.84)|87.9(0.59)|85.6(0.63)|82.7(0.67)|80.6(0.73)|77.7 (0.78)|76.8 (0.77)|72.7(0.80)|73.0(0.82)|73.7(0.81)|72.5 (0.85)|74.8(0.80)|74.3(0.81)|73.8(0.86)|73.2(0.89)|73.3 (0.89)|71.5 (0.91)|70.1(0.86)|70.6(0.86)
Any illicit drug .........|45.0(1.64)|53.1(1.26)|46.3(1.26)|35.4(1.18)|32.5(1.21)|29.4 (1.19)|27.1 (1.13)|31.0(1.16)|35.8(1.23)|39.0(1.26)|40.2 (1.31)|42.4(1.27)|41.4(1.28)|42.1(1.35)|40.9(1.39)|41.4 (1.39)|41.0 (1.38)|39.3(1.29)|38.8(1.29)
Marijuana only .........|18.8(1.29)|22.7(1.06)|18.9(0.99)|15.4(0.89)|14.6(0.91)|13.2 (0.88)|12.2 (0.83)|13.9(0.87)|17.8(0.98)|19.6(1.02)|20.4 (1.08)|21.7(1.06)|21.2(1.06)|21.4(1.12)|20.5(1.14)|19.8 (1.12)|20.1 (1.13)|19.5(1.05)|18.3(1.02)
Any illicit drug other | | | | | | | | | | | | | | | | | | |
than marijuana\2\ ...|26.2(1.15)|30.4(0.92)|27.4(0.89)|20.0(0.78)|17.9(0.79)|16.2 (0.76)|14.9 (0.72)|17.1(0.75)|18.0(0.78)|19.4(0.81)|19.8 (0.84)|20.7(0.83)|20.2(0.82)|20.7(0.88)|20.4(0.90)|21.6 (0.92)|20.9 (0.91)|19.8(0.83)|20.5(0.85)
| | | | | | | | | | | | | | | | | | |
Use of selected drugs | | | | | | | | | | | | | | | | | | |
Cocaine ................| 5.6(0.52)|12.3(0.58)|13.1(0.59)| 6.5(0.42)| 5.3(0.40)| 3.5 (0.33)| 3.1 (0.31)| 3.3(0.31)| 3.6(0.33)| 4.0(0.35)| 4.9 (0.40)| 5.5(0.41)| 5.7(0.42)| 6.2(0.46)| 5.0(0.43)| 4.8 (0.42)| 5.0 (0.42)| 4.8(0.39)| 5.3(0.41)
Heroin .................| 1.0(0.13)| 0.5(0.07)| 0.6(0.07)| 0.6(0.07)| 0.5(0.07)| 0.4 (0.06)| 0.6 (0.08)| 0.5(0.07)| 0.6(0.08)| 1.1(0.10)| 1.0 (0.10)| 1.2(0.11)| 1.0(0.10)| 1.1(0.11)| 1.5(0.13)| 0.9 (0.10)| 1.0 (0.11)| 0.8(0.09)| 0.9(0.10)
LSD ....................| 7.2(0.59)| 6.5(0.43)| 4.4(0.36)| 4.9(0.37)| 5.4(0.41)| 5.2 (0.40)| 5.6 (0.40)| 6.8(0.44)| 6.9(0.45)| 8.4(0.49)| 8.8 (0.52)| 8.4(0.49)| 7.6(0.48)| 8.1(0.52)| 6.6(0.49)| 6.6 (0.49)| 3.5 (0.36)| 1.9(0.25)| 2.2(0.27)
Marijuana/hashish ......|40.0(1.61)|48.8(1.27)|40.6(1.24)|29.6(1.13)|27.0(1.15)|23.9 (1.11)|21.9 (1.05)|26.0(1.10)|30.7(1.19)|34.7(1.23)|35.8 (1.28)|38.5(1.25)|37.5(1.25)|37.8(1.33)|36.5(1.36)|37.0 (1.36)|36.2 (1.35)|34.9(1.26)|34.3(1.25)
PCP ....................|--- (†) | 4.4(0.20)| 2.9(0.16)| 2.4(0.15)| 1.2(0.11)| 1.4 (0.12)| 1.4 (0.11)| 1.4(0.11)| 1.6(0.12)| 1.8(0.13)| 2.6 (0.16)| 2.3(0.15)| 2.1(0.14)| 1.8(0.14)| 2.3(0.16)| 1.8 (0.14)| 1.1 (0.11)| 1.3(0.11)| 0.7(0.08)
|__________|__________|__________|__________|__________|___________|___________|__________|__________|__________|___________|__________|__________|__________|__________|___________|___________|__________|__________
| Percent reporting use of drugs in the past 30 days
|_____________________________________________________________________________________________________________________________________________________________________________________________________________________
Alcohol\1\ ...............|68.2(1.10)|72.0(0.81)|65.9(0.85)|60.0(0.86)|57.1(0.92)|54.0 (0.93)|51.3 (0.91)|48.6(0.89)|50.1(0.92)|51.3(0.92)|50.8 (0.95)|52.7(0.92)|52.0(0.92)|51.0(0.98)|50.0(1.01)|49.8 (1.01)|48.6 (1.00)|47.5(0.94)|48.0(0.94)
Any illicit drug .........|30.7(1.35)|37.2(1.09)|29.7(1.03)|19.7(0.88)|17.2(0.87)|16.4 (0.86)|14.4 (0.79)|18.3(0.86)|21.9(0.95)|23.8(0.98)|24.6 (1.03)|26.2(1.01)|25.6(1.01)|25.9(1.07)|24.9(1.09)|25.7 (1.10)|25.4 (1.09)|24.1(1.01)|23.4(1.00)
Marijuana only .........|15.3(1.06)|18.8(0.88)|14.8(0.80)|10.6(0.68)| 9.2(0.67)| 9.3 (0.67)| 8.1 (0.62)|10.4(0.68)|13.1(0.77)|13.8(0.79)|15.1 (0.85)|15.5(0.83)|14.9(0.82)|15.5(0.88)|14.5(0.89)|14.7 (0.89)|14.1 (0.87)|19.5(0.93)|18.3(0.91)
Any illicit drug other | | | | | | | | | | | | | | | | | | |
than marijuana\2\ ...|15.4(0.80)|18.4(0.66)|14.9(0.60)| 9.1(0.48)| 8.0(0.47)| 7.1 (0.45)| 6.3 (0.41)| 7.9(0.45)| 8.8(0.49)|10.0(0.52)| 9.5 (0.53)|10.7(0.53)|10.7(0.54)|10.4(0.56)|10.4(0.58)|11.0 (0.59)|11.3 (0.60)|10.4(0.54)|10.8(0.55)
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Use of selected drugs | | | | | | | | | | | | | | | | | | |
Cocaine ................| 1.9(0.25)| 5.2(0.31)| 6.7(0.35)| 2.8(0.23)| 1.9(0.20)| 1.4 (0.17)| 1.3 (0.16)| 1.3(0.16)| 1.5(0.18)| 1.8(0.19)| 2.0 (0.21)| 2.3(0.22)| 2.4(0.22)| 2.6(0.24)| 2.1(0.23)| 2.1 (0.23)| 2.3 (0.24)| 2.1(0.21)| 2.3(0.22)
Heroin .................| 0.4(0.08)| 0.2(0.04)| 0.3(0.05)| 0.3(0.05)| 0.2(0.04)| 0.2 (0.04)| 0.3 (0.05)| 0.2(0.04)| 0.3(0.05)| 0.6(0.08)| 0.5 (0.07)| 0.5(0.07)| 0.5(0.07)| 0.5(0.07)| 0.7(0.09)| 0.4 (0.07)| 0.5 (0.08)| 0.4(0.06)| 0.5(0.07)
LSD ....................| 2.3(0.28)| 2.3(0.21)| 1.6(0.18)| 1.8(0.18)| 1.9(0.20)| 1.9 (0.20)| 2.0 (0.20)| 2.4(0.21)| 2.6(0.23)| 4.0(0.28)| 2.5 (0.23)| 3.1(0.25)| 3.2(0.26)| 2.7(0.25)| 1.6(0.20)| 2.3 (0.24)| 0.7 (0.13)| 0.6(0.11)| 0.7(0.12)
Marijuana/hashish ......|27.1(1.30)|33.7(1.07)|25.7(0.98)|16.7(0.82)|14.0(0.80)|13.8 (0.80)|11.9 (0.73)|15.5(0.81)|19.0(0.90)|21.2(0.94)|21.9 (0.98)|23.7(0.98)|22.8(0.97)|23.1(1.03)|21.6(1.04)|22.4 (1.05)|21.5 (1.03)|21.2(0.96)|19.9(0.94)
PCP ....................|--- (†) | 1.4(0.11)| 1.6(0.12)| 1.4(0.11)| 0.4(0.06)| 0.5 (0.07)| 0.6 (0.08)| 1.0(0.10)| 0.7(0.08)| 0.6(0.08)| 1.3 (0.12)| 0.7(0.08)| 1.0(0.10)| 0.8(0.09)| 0.9(0.10)| 0.5 (0.08)| 0.4 (0.07)| 0.6(0.08)| 0.4(0.06)
__________________________|__________|__________|__________|__________|__________|___________|___________|__________|__________|__________|___________|__________|__________|__________|__________|___________|___________|__________|__________ |
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---Not available. NOTE: Standard errors appear in parentheses. Standard errors were calculated from formulas to perform trend anaysis over an interval greater than one year (for example, a comparison between 1975 and 1990). A revised questionnaire was used in 1982 and later years to reduce the inappropriate reporting of nonprescription stimulants. This slightly reduced the positive responses for some types of drug abuse. SOURCE: University of Michigan, Institute for Social Research, "Monitoring the Future" study, various years. (This table was prepared March 2005.)
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